109147382551 has 16 divisors (see below), whose sum is σ = 110803622400. Its totient is φ = 107506945728.

The previous prime is 109147382549. The next prime is 109147382557. The reversal of 109147382551 is 155283741901.

It is a cyclic number.

It is not a de Polignac number, because 109147382551 - 2¹ = 109147382549 is a prime.

It is a super-2 number, since 2×109147382551² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109147382557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9260380 + ... + 9272158.

It is an arithmetic number, because the mean of its divisors is an integer number (6925226400).

Almost surely, 2^109147382551 is an apocalyptic number.

109147382551 is a deficient number, since it is larger than the sum of its proper divisors (1656239849).

109147382551 is a wasteful number, since it uses less digits than its factorization.

109147382551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12438.

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 109147382551 in words is "one hundred nine billion, one hundred forty-seven million, three hundred eighty-two thousand, five hundred fifty-one".